1. Leibniz Institute for Plasma Science and Technology, Greifswald, Germany,
2. Institute of Clinical Epidemiology, School of Public Health, Fudan University, Shanghai, P. R. China,
3. Department of Chronic Disease Prevention, Minhang District Center for Disease Control and Prevention, Shanghai, P. R. China,
4. Key Labratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, P. R. China,
5. Department of Preventive Medicine, School of Medicine, Yangzhou University, Yangzhou, P. R. China, and
6. Heart Center, Peking University People's Hospital, Peking University, Beijing, P. R. China